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UA Base 4.0 is a men's baselayer built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.
FEATURES:
UA Base™ 4.0 is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold
UA Scent Control Technology to keep you undetected in all pursuits
Soft, brushed grid interior traps air against your skin, managing your body's microclimate to keep you warm & comfortable
Material wicks sweat & dries really fast
4-way stretch material moves better in every direction
Fitted: Streamlined fit that’s not too tight or too loose.
